diff --git a/MMDb/pom.xml b/MMDb/pom.xml
index 7624a8f..2ccae7c 100644
--- a/MMDb/pom.xml
+++ b/MMDb/pom.xml
@@ -12,7 +12,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>42.1.4</version>
+            <version>42.4.1</version>
         </dependency>
 
         <dependency>